2216422512330 has 128 divisors (see below), whose sum is σ = 5750029168128. Its totient is φ = 543543892992.

The previous prime is 2216422512329. The next prime is 2216422512349. The reversal of 2216422512330 is 332152246122.

It is a junction number, because it is equal to n+sod(n) for n = 2216422512291 and 2216422512300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116417572 + ... + 116436608.

It is an arithmetic number, because the mean of its divisors is an integer number (44922102876).

Almost surely, 2^{2216422512330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216422512330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875014584064).

2216422512330 is an abundant number, since it is smaller than the sum of its proper divisors (3533606655798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216422512330 is a wasteful number, since it uses less digits than its factorization.

2216422512330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2216422512330 its reverse (332152246122), we get a palindrome (2548574758452).

The spelling of 2216422512330 in words is "two trillion, two hundred sixteen billion, four hundred twenty-two million, five hundred twelve thousand, three hundred thirty".